Is this 3D model free to download?

Yes, MEGA ULTRA 2 CONVERSION ANTIJAM is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Thingiverse. Use the "Download from Thingiverse" link on this page to open the original listing and grab the file, or save it to your print queue in the free Thinger app.

Designed by CrowT, published on Thingiverse. Please credit the creator when sharing your print.

Can I print this at home?

Yes. This is a printable 3D model intended for home FDM and resin printers. Check the original listing for suggested print settings.

MEGA ULTRA 2 CONVERSION ANTIJAM 3D printable model by CrowT

MEGA ULTRA 2 CONVERSION ANTIJAM

Source: Thingiverse by CrowT

The MEGA ULTRA 2 CONVERSION ANTIJAM is a free printable 3D model from Thingiverse by CrowT. This is created for the MEGA ULTRA 2 CONVERSION KIT . You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

30 saves Source: Thingiverse Updated 2026-10-07 License: CC-BY-NC · non-commercial Category: Toys & Games

Tags: nerf, Nerf Mod, Nerf Ultra 2

About this model

This is created for the MEGA ULTRA 2 CONVERSION KIT . Link: I had some jamming issues with this originally so I flipped things around some from the original design. This new setup moves the trigger pull to only pushing the MEGA dart and then it now rotates the cylinder when you release the trigger. It does mean you now have significant overhangs and you'll need a tougher trigger spring. Tree worked great for me on the overhangs but you might need a little cleanup on the underside. I think I also just cut a longer spring out of a spring set and doubled it over. Since the trigger is now only pushing the dart it doesn't feel like a bad pull.. at least for me. The original also has a sliding pusher but I glued mine down since you don't want it sliding anymore. I'm just also including an easier…

Frequently asked questions

Is this 3D model free to download?: Yes. MEGA ULTRA 2 CONVERSION ANTIJAM is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link above to open the original listing.
Where is the STL hosted?: The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by CrowT.
Who made this model?: Designed by CrowT, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?: Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.